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56863032053 = 369731537961
BaseRepresentation
bin110100111101010011…
…010000001011110101
312102202212211022201012
4310331103100023311
51412423414011203
642042244042005
74052055540362
oct647523201365
9172685738635
1056863032053
112212a776673
12b02b393305
13549288a739
142a75dd5469
15172c155bd8
hexd3d4d02f5

56863032053 has 4 divisors (see below), whose sum is σ = 56864606988. Its totient is φ = 56861457120.

The previous prime is 56863032047. The next prime is 56863032071. The reversal of 56863032053 is 35023036865.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 40072833124 + 16790198929 = 200182^2 + 129577^2 .

It is a cyclic number.

It is not a de Polignac number, because 56863032053 - 214 = 56863015669 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56863032053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56863032353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 732008 + ... + 805953.

It is an arithmetic number, because the mean of its divisors is an integer number (14216151747).

Almost surely, 256863032053 is an apocalyptic number.

It is an amenable number.

56863032053 is a deficient number, since it is larger than the sum of its proper divisors (1574935).

56863032053 is a wasteful number, since it uses less digits than its factorization.

56863032053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1574934.

The product of its (nonzero) digits is 388800, while the sum is 41.

The spelling of 56863032053 in words is "fifty-six billion, eight hundred sixty-three million, thirty-two thousand, fifty-three".

Divisors: 1 36973 1537961 56863032053